1115245151 has 2 divisors, whose sum is σ = 1115245152. Its totient is φ = 1115245150.

The previous prime is 1115245123. The next prime is 1115245189. The reversal of 1115245151 is 1515425111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115245151 - 2²² = 1111050847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115245151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115245111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557622575 + 557622576.

It is an arithmetic number, because the mean of its divisors is an integer number (557622576).

Almost surely, 2^1115245151 is an apocalyptic number.

1115245151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115245151 is an equidigital number, since it uses as much as digits as its factorization.

1115245151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000, while the sum is 26.

The square root of 1115245151 is about 33395.2863590058. The cubic root of 1115245151 is about 1037.0271211437.

The spelling of 1115245151 in words is "one billion, one hundred fifteen million, two hundred forty-five thousand, one hundred fifty-one".